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NVX BIR500 500 Amp Battery Isolator

$79.99 on Amazon.com (as of June 19, 2026, 11:15 PM EST) View details ↗

The NVX BIR500 Battery Isolator is designed to efficiently manage power distribution in your vehicle's electrical system. With a robust 500 Amp continuous rating at 12V and a surge capacity of 700 Amps, this isolator ensures reliable performance even under high load conditions. Ideal for dual-battery setups, it supports a switching power range of 10-16 VDC, making it compatible with most automotive applications. Whether you're enhancing your car's auxiliary power or ensuring robust starting power, the BIR500 delivers consistent and dependable operation.

Built for durability and precision, the NVX BIR500 features high-quality construction to withstand extreme temperatures and demanding environments. Its efficient design minimizes voltage drop, maximizing power delivery to critical systems. Perfect for off-road enthusiasts, marine applications, or everyday drivers seeking added electrical reliability, this battery isolator is a must-have for any serious vehicle upgrade.

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